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SAMARA

Streak And Metal Artifact Reduction Algorithm

SAMARA

Streak And Metal Artifact Reduction Algorithm

Streak And Metal Artifact Reduction Algorithm. Coil. Streak And Metal Artifact Reduction Algorithm. Coil. Streak And Metal Artifact Reduction Algorithm. Head phantom. Streak And Metal Artifact Reduction Algorithm. Scanned pig.
Metal coil: Original (top) vs. SAMARA technology (bottom).

Metal coil: Interpolation MAR (left) vs. SAMARA (right). Side-by-side examples:

Ex1. Ex2  Ex3

Head phantom, insufficient number of projections: SAMARA vs. regular reconstruction. Side-by-side examples:

Ex1. Ex2 Ex2

Pig image, insufficient number of projections and inconsistent geometry. SAMARA vs. regular reconstruction. Side-by-side examples: Ex1. Ex2

Streak And Metal Artifact Reduction Algorithm. Coil. Streak And Metal Artifact Reduction Algorithm. Coil. Streak And Metal Artifact Reduction Algorithm. MAR. Streak And Metal Artifact Reduction Algorithm. MAR.
Coil after correction. MIP view. Coil. Volume rendering. Metal objects placed in cadaver. Input radiograph. Reconstructed metal objects placed in cadaver. Side-by-side examples:

Ex1. Ex2

COBRA 

Applying COBRA to human scans reconstruction

COBRA 

Applying COBRA to biological scans reconstruction

Cone-beam CT. Head phantom. Cone-beam CT. Head phantom. Cone-beam CT. Mouse. Cone-beam CT. Mouse.

Head phantom. 1024x1024x320 projections reconstructed to 1024x1024x512 volume.

Slices:

Ex1. Ex2  Ex3

Head phantom. 1024x1024x320 projections reconstructed to 512x512x512 volume. Volume rendering.

Mouse. Input projections (animated). 512x1022 pixels.

Mouse. 512x1022x360 projections reconstructed to  512x512x512 (non-isotropic volume). Slices. 
Cone-beam CT. Head phantom. Cone-beam CT. Mouse. Cone-beam CT. Mouse.

Head phantom. 1024x1024x320 projections reconstructed to 512x512x512 volume. Animated volume rendering. 

220x200, ~200 KB 

440x400, ~900 KB

Mouse (non-isotropic volume) Volume rendering, skin level. 

Mouse (non-isotropic volume). Animated volume rendering. 

220x200, ~200 KB 

440x400, ~700 KB

COBRA 

Applying COBRA to industrial scans reconstruction

Cone-beam CT. Industrial object. Cone-beam CT. Industrial object.
Industrial object. 512x512x420 projections reconstructed to  512x512x512 volume. Slices. Industrial object. Animated volume rendering. ~200 KB.
Cone-beam CT. Concrete block.
Concrete block. 736x486x2100 projections reconstructed to  512x512x512 volume. Input radiograph and slice.
 

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